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Buddingtonite

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Watches:
ESM598698

Buddingtonite

Rare Mineral

Description Tabs

Description
Locality: 
Sharon Heights, Menlo Park, San Mateo County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.7 × 1.3 cm
Description

Brown grains of buddingtonite in matrix

Mineral Data
What's on the rock

Buddingtonite

Formula: 
(NH4)AlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
5.5
Colour: 
Colorless
Streak: 
White
Type Locality: 
Sulphur Bank Mine (Sulfur Bank Mine; Sulphur Bank deposits), Clear Lake Oaks, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Lake Co., California, USA